The GPAs of all students enrolled at a large university have an approximately normal distribution with a

Question:

The GPAs of all students enrolled at a large university have an approximately normal with a mean of 3.02 and a standard deviation of .29. Find the probability that the mean GPA of a random sample of 20 students selected from this university is
a. 3.10 or higher
b. 2.90 or lower
c. 2.95 to 3.11 Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...